Product specifications and review coverage for this exact model.
COR ScoretbdAvailable after 3 critic reviews1 critic
Image supplied through Icecat
Product overview
DELL DELL-S3221QS is listed in the computer monitors category. The recorded specifications include display diagonal: 80 cm (31.5"); display resolution: 3840 x 2160 pixels; panel type: VA; maximum refresh rate: 60 Hz. This entry covers manufacturer code DELL-S3221QS. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
Expert reviews
TechRadar 4.5 / 5
Publisher rating supplied by Icecat: 90%
The lack of USB-C connectivity or true HDR doesn't stop the Dell 4K S3221QS from being a terrific curved monitor. Its elegant design, stunning 4K picture, and useful multitasking features like Picture-in-Picture make it an excellent and surprisingly affor...
Supplier-linked review for DELL DELL-S3221QS. Check the original for the tested configuration.
Excerpt and rating supplied through Icecat · Checked 22 Sep 2026
The COR Score gives each publisher one rating. Scores are converted to the same five-point scale.
Specifications
Manufacturer code: DELL-S3221QS. Icecat product 80491936 · Checked 22 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
DELL S3221QS — key specifications
Screen size
80 cm (31.5")
Screen resolution
3840 x 2160 pixels
Panel type
VA
Maximum refresh rate
60 Hz
Response time
4 ms
Display brightness (typical)
300 cd/m²
High Dynamic Range (HDR) supported
Yes
HDMI ports
2
DisplayPort connections
1
More product specifications
Open a section for the details that matter to you.
Audio & listening6 details
DELL S3221QS — Audio & listening
Number of speakers
2
Rated audio power (RMS)
10 W
Built-in speakers
Yes
Audio input
No
Audio output
Yes
Headphone out
No
Display9 details
DELL S3221QS — Display
Display technology
LCD
Touchscreen
No
Screen shape
Curved
Contrast ratio (typical)
3000:1
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Display number of colours
1.073 billion colours
Colour gamut standard
sRGB
AMD FreeSync refresh rate range
40 - 60 Hz
Processor, memory & storage3 details
DELL S3221QS — Processor, memory & storage
Supported graphics resolutions
3840 x 2160
Storage temperature (T-T)
-20 - 60 °C
Storage relative humidity (H-H)
10 - 90%
Camera, image & video2 details
DELL S3221QS — Camera, image & video
Supported video modes
480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 3840p
Built-in camera
No
Printing, scanning & paper3 details
DELL S3221QS — Printing, scanning & paper
Horizontal scan range
29 - 170 kHz
Vertical scan range
40 - 60 Hz
Total carbon footprint (kg of CO2e)
763
Connections & wireless10 details
DELL S3221QS — Connections & wireless
Built-in USB hub
Yes
USB hub version
2.0 / 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type
USB Type-B
Number of upstream ports
1
USB Type-A downstream ports quantity
2
DVI port
No
HDMI
Yes
DisplayPort version
1.2
Wi-Fi
No
Panel mounting interface
100 x 100 mm
Power & battery16 details
DELL S3221QS — Power & battery
USB Power Delivery (USB PD)
Yes
Energy efficiency class (SDR)
G
Energy efficiency class (HDR)
G
Energy consumption (SDR) per 1000 hours
39 kWh
Energy consumption (HDR) per 1000 hours
56 kWh
Power consumption (typical)
38.5 W
Power consumption (standby)
0.2 W
Power consumption (max)
91 W
Power consumption (off)
0.2 W
AC input voltage
100 - 230 V
AC input frequency
50 - 60 Hz
Input current
1.6 A
Power supply type
Internal
Energy efficiency scale
A to G
Annual energy consumption
57 kWh
Carbon emissions, energy usage (kg of CO2e)
326.56
Controls & features1 detail
DELL S3221QS — Controls & features
Operating temperature (T-T)
0 - 40 °C
Design & dimensions17 details
DELL S3221QS — Design & dimensions
Product colour
Silver
Front bezel colour
Black
Feet colour
Silver
VESA mounting
Yes
Height adjustment
Yes
Adjustable height (max)
7 cm
Width (with stand)
709.2 mm
Depth (with stand)
207 mm
Height (with stand)
518.1 mm
Weight (with stand)
10.5 kg
Width (without stand)
709.2 mm
Depth (without stand)
64 mm
Height (without stand)
424.8 mm
Weight (without stand)
7.4 kg
Bezel width (side)
8.2 mm
Bezel width (top)
8.1 mm
Bezel width (bottom)
2.44 cm
Software & compatibility1 detail
DELL S3221QS — Software & compatibility
Compliance certificates
RoHS
Further product details32 details
DELL S3221QS — Further product details
HD type
4K Ultra HD
Native aspect ratio
16:9
Backlight type
LED
Aspect ratio
16:9
Response time (fast)
5 ms
Pixel pitch
0.18159 x 0.18159 mm
Pixel density
139 ppi
Viewable size, horizontal
69.7 cm
Viewable size, vertical
39.2 cm
sRGB coverage (typical)
99%
AMD FreeSync
Yes
Flicker-free technology
Yes
Low Blue Light technology
Yes
Market positioning
Business
Detachable stand
Yes
Cable lock slot
Yes
Cable lock slot type
Kensington
Pivot
No
Swivelling
No
Tilt adjustment
Yes
Tilt angle range
-5 - 21°
Picture-in-Picture
Yes
Operating relative humidity (H-H)
10 - 80%
Operating altitude
0 - 5000 m
Non-operating altitude
0 - 12192 m
Stand included
Yes
Total carbon emissions, standard deviation (kg of CO2e)
227
Carbon emissions, manufacturing (kg of CO2e)
354.8
Carbon emissions, logistics (kg of CO2e)
73.25
Carbon emissions, end-of-life (kg of CO2e)
8.39
PAIA version
PAIA 1.3.2, 2022
Heavy metals free
Hg (mercury)
Packaging & supplied accessories8 details
DELL S3221QS — Packaging & supplied accessories
Package width
172 mm
Package depth
939.8 mm
Package height
525 mm
Package weight
15.2 kg
Cables included
AC, HDMI, USB
Country of origin
China
Commodity Classification Automated Tracking System (CCATS)
85285931
Harmonized System (HS) code
85285210
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.